Sony a7SIII Help Manual page 272

Help Guide
Interchangeable Lens Digital Camera
ILCE-7SM3
α7SIII
SteadyShot focal length (still image/movie)
Sets the focal length information to be used for the built-in SteadyShot function when [ SteadyShot Adjust.] is set to
[Manual].
MENU → (Shooting) → [Image Stabilization] → [ Focal Length] → desired setting.
1
Menu item details
8mm - 1000mm:
The SteadyShot function uses the focal length that you set.
Check the focal-length index on the lens and set the focal-length.
Related Topic
SteadyShot Adjust. (still image/movie)
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